*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html{
  padding: 30px;
  font: normal 13px/1.5 sans-serif;
  color: #546567; /* css 继承 基础字体颜色 */
  background-color: #ed6564;
}
.container{
  background: #fff;
  padding: 20px;
}
h3{
  padding-bottom: 10px;
  margin-bottom: 15px;
  border-bottom: 2px solid #ed6564;
}
p{
  background: #fff;
  margin: 15px 0;
  color: #388287;
}
button{
  font-size: 13px;
  padding: 8px 12px;
  background-color: #fff;
  border-radius: 3px;
  box-shadow: none;
  text-transform: uppercase;
  font-weight: bold;
  cursor: pointer;
  opacity: 0.8;
  outline: 0;
  color: #388287;
  border: 1px solid #388287;
}
button:hover{
  opacity: 1;
}
.center{
  text-align: center;
}
